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Potassium oxalate

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Identification
Molecular formula
K2C2O4
CAS number
583-52-8
IUPAC name
dipotassium;oxalate
State
State

At room temperature, potassium oxalate is a crystalline solid. It commonly exists as a dihydrate under ambient conditions.

Melting point (Celsius)
419.00
Melting point (Kelvin)
692.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
184.23g/mol
Molar mass
184.2310g/mol
Density
2.1305g/cm3
Appearence

Potassium oxalate appears as a white crystalline solid. It is odorless and is often found in the form of the dihydrate.

Comment on solubility

Solubility of Dipotassium Oxalate

Dipotassium oxalate, with the chemical formula K2C2O4, exhibits interesting solubility characteristics that are vital for its applications in various fields. The solubility of this compound can be summarized as follows:

  • Water Solubility: Dipotassium oxalate is highly soluble in water, demonstrating a significant capacity to dissolve under standard conditions.
  • Temperature Dependence: The solubility increases with temperature, which means that heating the solution can enhance the dissolution process.
  • pH Influence: The solubility is also affected by the pH of the solution; it tends to dissolve more readily in acidic environments.
  • Comparative Solubility: When compared to other potassium salts, dipotassium oxalate generally shows greater solubility, which can be advantageous in various applications.

Furthermore, it is important to note that the formation of precipitates with calcium ions can occur, as the calcium oxalate salt is poorly soluble. Therefore, in the presence of calcium, one should be mindful of the potential for precipitation which could impact its applications, particularly in biological systems.

In conclusion, dipotassium oxalate’s solubility profile reveals key insights into its behavior in solution, aiding in the understanding of its utility in both industrial and laboratory settings.

Interesting facts

Interesting Facts About Dipotassium Oxalate

Dipotassium oxalate is an intriguing compound with a variety of applications and properties that make it significant in both scientific research and practical uses. Here are some fascinating insights about this compound:

  • Chemical Nature: It is an organic salt formed by the reaction of oxalic acid with potassium hydroxide. This process exemplifies acid-base reactions, which are fundamental in chemistry.
  • Uses in Chemistry: Dipotassium oxalate is commonly used as a buffering agent and in titrations. Its ability to stabilize pH levels makes it a valuable tool in the laboratory.
  • Biological Significance: This compound plays a crucial role in plant biology, especially in terms of calcium oxalate crystal formation, which is a defense mechanism against herbivores.
  • Culinary Applications: Interestingly, dipotassium oxalate is sometimes utilized in food processing, particularly in the preparation of certain vegetables and fruits to inhibit enzymatic browning.
  • Safety Considerations: While it has several uses, it is essential to handle dipotassium oxalate with care, as it can pose health risks if ingested in large quantities. Chemical safety protocols should always be followed.

Quote to Remember

“In chemistry, the study of compounds extends beyond mere formulas; it delves into the complex interactions and their implications in various fields.”

Dipotassium oxalate is indeed a compound that reflects the intricate relationship between chemistry and its practical applications. From laboratory usage to biological significance, this low-profile compound offers a broad spectrum of interest for both chemists and curious students alike.

Synonyms
Potassium oxalate
Ethanedioic acid, dipotassium salt
Potassium neutral oxalate
Potassium oxalate (K2C2O4)
UNII-LC7F2W7I5B
oxalic acid dipotassium salt
EINECS 209-506-8
LC7F2W7I5B
KALI OXALICUM
AI3-02412
OXALIC ACID, DIPOTASSIUM SALT
Ethanedioic acid potassium salt (1:2)
Oxalate, Potassium
6487-48-5(monohydrate)583-52-8(anhydrous)
583-52-8
Dipotassium oxalate
Potassiumoxalate
Ethanedioic acid, potassium salt (1:2)
dipotassium,oxalate
dipotassium;oxalate
kalium oxalate
dipotassium oxalate ion
SCHEMBL50017
KALI OXALICUM [HPUS]
Ethanedioic acid,potassium salt
POTASSIUM OXALATE [MI]
DTXSID6060393
POTASSIUM OXALATE [WHO-DD]
MFCD00012464
SY232218
NS00093494
G66320
Q767561
6487-48-5(monohydrate); 583-52-8(anhydrous)